4, OKĐ It (start) Stanted to rain 5. QKTD+while +QKTD - here since I (graduate) Last night, I was doing my homework while my sister was playing games. I (work)- 6. HTHT + since +QKĐ After I had finished my homework, I (go)--- 7. After + QKHT, QKD 8. Before / By the time + QKD+QKHT Before she (have). dinner, she (write) - letter.
